FIFO

1 6.5

A method of using or selling stock so the oldest items go first

noun

Specialized

: FIFO

The accountant explained that FIFO is a method where the first items purchased are the first to be sold.
FIFO buffer

So like for example, the most common way is called FIFO, first in, first out, FIFO first in, first out.

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Examples

FIFO buffers are also used to connect adjacent processors in the unidirectional ring.

Academic text (2000)
So a very common policy is FIFO stands for first in, first out.
So like for example, the most common way is called FIFO, first in, first out, FIFO first in, first out.

Rose Han
In practice, the FIFO discipline is often sufficiently accurate.

Academic text (2000)
Store requests from a given CP must be processed in FIFO order.

Academic text (1997)
For example, FIFO ensures that once an item is brought into the cache, it is not evicted before further misses occur.

Academic text (1994)
The FIFOs in the IM and OM obviously must be large enough to keep up with the desired input and output rates.

Academic text (2000)
Buffering of data between all components is accomplished with first-in/first-out (FIFO) buffers.

Academic text (2000)
As the CP processes the XI requests in FIFO order, it responds by sending XI completion responses to the L2.

Academic text (1997)
In inventory management, using FIFO ensures that the oldest products are sold first.

Synonyms

first in first out

vsFIFO

Specialized

4.0

A way of keeping items so the oldest ones are used or sold first

focuses specifically on inventory accounting rather than other fields

Surface Forms

FIFO singular

FIFOs plural

Etymology

FIFO comes from the phrase First In, First Out, which means the things put in 'first' are the ones that go 'out' first. Think of people in a line: those who arrive first are served first, so for inventory FIFO says the oldest goods are used or sold first.